Home / 2,736,721-4,105,217.58-1,938,903.40

Finding the Fourth Proportional to 2,736,721, 4,105,217.58 and 1,938,903.40

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Solution

The fourth proportional to 2,736,721, 4,105,217.58 and 1,938,903.40 is: 2,908,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736,721 : 4,105,217.58 = 1,938,903.40 : x
  2. Step 2: Convert to fraction form
    2,736,721/4,105,217.58 = 1,938,903.40/x
  3. Step 3: Cross multiply
    2,736,721x = 4,105,217.58 × 1,938,903.40
  4. Step 4: Simplify right side
    2,736,721x = 7,959,620,323,601.77
  5. Step 5: Solve for x
    x = 7,959,620,323,601.77/2,736,721
  6. Step 6: Final answer
    x = 2,908,451.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.